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68900119 = 78778747
BaseRepresentation
bin1000001101101…
…01010100010111
311210122111012021
410012311110113
5120114300434
610500434011
71464432661
oct406652427
9153574167
1068900119
113598a752
121b0a8907
1311375002
149217531
1560aecb4
hex41b5517

68900119 has 4 divisors (see below), whose sum is σ = 68916744. Its totient is φ = 68883496.

The previous prime is 68900113. The next prime is 68900123. The reversal of 68900119 is 91100986.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 68900119 - 27 = 68899991 is a prime.

It is a super-2 number, since 2×689001192 = 9494452796428322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68900113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3504 + ... + 12250.

It is an arithmetic number, because the mean of its divisors is an integer number (17229186).

Almost surely, 268900119 is an apocalyptic number.

68900119 is a deficient number, since it is larger than the sum of its proper divisors (16625).

68900119 is an equidigital number, since it uses as much as digits as its factorization.

68900119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16624.

The product of its (nonzero) digits is 3888, while the sum is 34.

The square root of 68900119 is about 8300.6095559302. The cubic root of 68900119 is about 409.9585899085.

The spelling of 68900119 in words is "sixty-eight million, nine hundred thousand, one hundred nineteen".

Divisors: 1 7877 8747 68900119